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EP0461844B1 - Verbesserungen an Vorseilmaschinen - Google Patents

Verbesserungen an Vorseilmaschinen Download PDF

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Publication number
EP0461844B1
EP0461844B1 EP91305231A EP91305231A EP0461844B1 EP 0461844 B1 EP0461844 B1 EP 0461844B1 EP 91305231 A EP91305231 A EP 91305231A EP 91305231 A EP91305231 A EP 91305231A EP 0461844 B1 EP0461844 B1 EP 0461844B1
Authority
EP
European Patent Office
Prior art keywords
flyer
guide means
axis
driven
periphery
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP91305231A
Other languages
English (en)
French (fr)
Other versions
EP0461844A3 (en
EP0461844A2 (de
Inventor
Sergio Cortinovis
Alan Witherden
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Cortinovis SpA
Original Assignee
Cortinovis SpA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from GB909013006A external-priority patent/GB9013006D0/en
Priority claimed from GB909019746A external-priority patent/GB9019746D0/en
Application filed by Cortinovis SpA filed Critical Cortinovis SpA
Publication of EP0461844A2 publication Critical patent/EP0461844A2/de
Publication of EP0461844A3 publication Critical patent/EP0461844A3/en
Application granted granted Critical
Publication of EP0461844B1 publication Critical patent/EP0461844B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B3/00—General-purpose machines or apparatus for producing twisted ropes or cables from component strands of the same or different material
    • D07B3/08—General-purpose machines or apparatus for producing twisted ropes or cables from component strands of the same or different material in which the take-up reel rotates about the axis of the rope or cable or in which a guide member rotates about the axis of the rope or cable to guide the rope or cable on the take-up reel in fixed position and the supply reels are fixed in position
    • D07B3/10—General-purpose machines or apparatus for producing twisted ropes or cables from component strands of the same or different material in which the take-up reel rotates about the axis of the rope or cable or in which a guide member rotates about the axis of the rope or cable to guide the rope or cable on the take-up reel in fixed position and the supply reels are fixed in position with provision for imparting more than one complete twist to the ropes or cables for each revolution of the take-up reel or of the guide member
    • D07B3/103—General-purpose machines or apparatus for producing twisted ropes or cables from component strands of the same or different material in which the take-up reel rotates about the axis of the rope or cable or in which a guide member rotates about the axis of the rope or cable to guide the rope or cable on the take-up reel in fixed position and the supply reels are fixed in position with provision for imparting more than one complete twist to the ropes or cables for each revolution of the take-up reel or of the guide member characterised by the bow construction
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B3/00—General-purpose machines or apparatus for producing twisted ropes or cables from component strands of the same or different material
    • D07B3/08—General-purpose machines or apparatus for producing twisted ropes or cables from component strands of the same or different material in which the take-up reel rotates about the axis of the rope or cable or in which a guide member rotates about the axis of the rope or cable to guide the rope or cable on the take-up reel in fixed position and the supply reels are fixed in position
    • D07B3/10—General-purpose machines or apparatus for producing twisted ropes or cables from component strands of the same or different material in which the take-up reel rotates about the axis of the rope or cable or in which a guide member rotates about the axis of the rope or cable to guide the rope or cable on the take-up reel in fixed position and the supply reels are fixed in position with provision for imparting more than one complete twist to the ropes or cables for each revolution of the take-up reel or of the guide member
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B7/00—Details of, or auxiliary devices incorporated in, rope- or cable-making machines; Auxiliary apparatus associated with such machines
    • D07B7/02—Machine details; Auxiliary devices

Definitions

  • This invention concerns improvements in and relating to stranding machines and more especially to such a machine for production of cable which is of complex section and/or large dimension at higher speed than has hitherto been possible.
  • the elements of the cable or rope can be fed from separate supply bobbins to a stranding head at which they are laid up to form the cable or rope, a twist or "lay” being imparted to the cable or rope by the rotation of an appropriate haul-off device.
  • the fact that the cable leaving the haul-off device is rotating about its longitudinal axis requires that the final storage bobbin or reel upon which the cable or rope is to be wound must be rotated at the same speed.
  • This system has the advantage that a perfectly formed cable can be produced.
  • the so-called "double-twist" stranding machine In the second system, the so-called "double-twist" stranding machine, the path of the cable is led along a rotary flyer carrying the cable to a winding bobbin which is inside the envelope of the rotating flyer.
  • This bobbin is rotated only about its own axis for winding, but is otherwise stationary and thus does not cause the above mentioned stresses and limitations due to the rotating masses.
  • double-twist stranding machine is not applicable to the production of cables of high quality and/or of complex section, because the second twist disorders the sectional shape of the cable that has been formed in the first.
  • the invention further provides an apparatus for carrying out the method of the invention, comprising a flyer arranged to rotate around about a predetermined axis, guide means extending within said flyer and arranged to guide an elongate element along a path therein and means for driving said guide means to rotate relatively to the flyer in order to cause corresponding rotation of said element.
  • the arrangement is such that said element is transported via said flyer from an axial path externally of said flyer and about which it is arranged to rotate, to a bobbin or reel located within said flyer, along a path extending therein through an angle of 180°, the said guide means and the flyer being arranged to rotate at such relative speeds that the rotation of the element is cancelled at the point at which it is led from the flyer to the bobbin.
  • the haul-off device 1 is driven to rotate about the axis of the path 4 at a rotary speed to which the linear speed of the finished rope must be related in such a manner as to introduce into the rope the desired length of lay.
  • the device 6 incorporates a storage bobbin or reel indicated diagrammatically at 7 which is arranged to rotate about its own axis 8 as required to take up the finished rope, but is otherwise stationary.
  • the finished rope passes from its axial path 4, along which it leaves the rotating haul-off device 1, to the reel 7 along a path indicated diagrammatically at 9, proceeding in the direction indicated by the arrow heads 10.
  • the rope passes through a flyer indicated diagrammatically at 11 in Fig.1, held by supports 23 and 24 arranged to rotate in mountings indicated at 12 in Fig.1.
  • a flyer indicated diagrammatically at 11 in Fig.1, held by supports 23 and 24 arranged to rotate in mountings indicated at 12 in Fig.1.
  • the path 9 of the rope it will be seen that as the rope passes through the flyer 11 it is diverted from its linear path 4 at the point 9A, passes through the flyer along a part 9B of the path 9 radially spaced from the rotational axis of the flyer 11 and is then turned through 180° in a region 9C before exiting from the flyer 11 at a point 9D.
  • reel 7 and the path of the rope thereto is shown only diagrammatically in Fig.1, it will be appreciated that the bobbin 7 and an associated means for guiding and layering the rope onto the bobbin or reel can be supported by appropriate means 11 in such a manner that the flyer 11 can rotate around the bobbin or reel 7 whilst the latter and the associated guide means remain stationary.
  • the flyer 11 is of the so-called "bow" type. That is to say that the portion of the flyer carrying the rope is formed as a flexible strap or bow 20, ends 21 and 22 of which are anchored to hubs 23 and 24 that are mounted for rotation in bearings 26 of the mountings 12.
  • the bow 20 carries on its internal surface a series of ball races 27 within which are mounted tubes 28 for supporting guide rollers 29 for receiving the rope.
  • the tubes 28 and the guide rollers 29 may be free to rotate with the rope, or may be driven by means not shown to rotate at the same speed as the rope.
  • the bow 20 is counterbalanced by a matching bow 30 carrying balancing weights 31 having a mass corresponding to that of the elements 27, 28, 29 of the bow 20.
  • the hub 23 at the left hand end of the flyer in Fig. 2 carries a first guide means 32 for the rope in the form of a shaft the left hand end 33 of which is mounted coaxially within the hub 23 and the right hand end 34 of which is linked to the hub 23 at a point adjacent the bow 20 in such a manner as to allow rotation of the shaft about its own axis.
  • the first guide means 32 is articulated by means of universal joints in such a manner that the whole first guide means can be driven for rotation from its left hand end, in order to transmit corresponding rotation to the rope sliding within the shaft via rollers 35 carried in the segments of the first guide means.
  • the right hand hub 24 of the flyer 11 likewise carries second guides means in the form of a hollow shaft that is articulated in a similar manner to the first guide means 32 and which also has a series of rollers.
  • the second guide means 36 like the first guide means 32, is mounted in the hub 24 so that it can rotate relatively thereto about its own axis, but its extremity 37 is nevertheless fixed to the stationary support of the take up bobbin 7 and cannot rotate.
  • the rope passes from the first guide means 36 to the take up bobbin along the path shown in Fig 1.
  • the drive to the various elements of the device includes a main drive motor 40 which is arranged to drive the haul-off device 1, the first guide means 32 and the hubs 23 and 24 of the flyer 6 from a common shaft via gear trains 41, 42 and 43 respectively, the ratio of the trains 42 and 43 being one half of that of the train 41 so that the flyer 6 is rotated at the appropriate speed.
  • a motor 45 drives the capstans 2 and 3 in known manner.
  • Motors 46 and 47 of a common take-up unit not illustrated in detail and held stationary on bearings coaxial with the bearings of the flyer 6 by means of a counterweight, serve to rotate the bobbin 7 and to drive a traverse for layering the cable on to the bobbin.
  • Fig.6. is shown furthermore how the tendency of the cable to leavet the haul-off capstan, due to the centrifugal force, can be prevented.
  • a set of rollers or a pre-tensioned continous belt 52 press the cable against the capstan; sets of rollers 53, 54 prevent the cable moving away from the right path.
  • the relative speeds of the flyer 11 and the first guide means 32 are such that there is substantially no twist imparted to the finished rope, these relative speeds could be so related as to allow a slight twist to be imparted to the rope as it passes through the cradel, for the purpose of tightening the lay of the cable before it is wound onto the bobbin 7.
  • first guide means 32 could be extended over the full axial length of the cradle to point 37 and fixed at that extremity with respect to the bobbin or the second guide means 36 could be extended to point 33 and, at that point, be left free to rotate.

Landscapes

  • Ropes Or Cables (AREA)
  • Glass Compositions (AREA)
  • Disintegrating Or Milling (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
  • Braiding, Manufacturing Of Bobbin-Net Or Lace, And Manufacturing Of Nets By Knotting (AREA)

Claims (5)

  1. Verfahren zur Herstellung eines verseilten Elements wie beispielsweise eines Kabels oder eines Drahtseils, wobei das verseilte Element durch ein angetriebenes Bauteil hindurchgeführt wird, welches koaxial zu einem axialen Ende eines rotierenden Flyers (11) angeordnet ist, um den Umfang des Flyers herumgeführt und innerhalb des Flyers um 180° relativ zu dessen Achse (4) umgekehrt wird sowie sich durch eine langgestreckte flexible Führungsanordnung (36) hindurch erstreckt, deren eines Ende relativ zu einer stationären Achse einer Aufnahmehaspel (7) innerhalb des Flyers befestigt ist und deren anderes Ende innerhalb des Umfangs des Flyers geführt ist, so daß die Führungsanordnung zu einer Planetenbewegung mit dem von der Führungsanordnung geführten verseilten Element angetrieben wird, dadurch gekennzeichnet, daß das verseilte Element von einer außerhalb des angetriebenen Bauteils angeordneten Anordnung verseilt und zu einer Drehung angetrieben wird, das angetriebene Bauteil eine langgestreckte flexible Führungsanordnung (32) aufweist, welche sich von dem axialen Ende des Flyers (11) zu dessen Umfang hin erstreckt und in diesem Umfang für eine Planetenbewegung relativ zu der Achse (4) des Flyers angetrieben wird, und das angetriebene Bauteil und der Flyer mit unterschiedlichen Drehzahlen angetrieben werden, so daß dem verseilten Element während seines Durchlaufens von dem angetriebenen Bauteil zu der langgestreckten Führungsanordnung (36), die der Aufnahmehaspel (7) zugeordnet ist, um den Schlag des verseilten Elements zu straffen, ein leichter Drall verliehen wird.
  2. Verseilungsvorrichtung mit einem zur Rotation um eine vorbestimmte Achse (4) angeordneten Flyer (11), einer ersten Führungsanordnung (32), die koaxial zu einem Ende des Flyers (11) ist und durch welche hindurch ein verseiltes Element zu einem Umfang (20) des Flyers (11) geführt werden kann, einer Antriebsanordnung für die erste Führungsanordnung (32) und den Flyer (11), so daß sie relativ zueinander rotieren, sowie einer zweiten Führungsanordnung (36), die ein langgestrecktes flexibles Führungsglied aufweist, dessen eines Ende stationär innerhalb des Flyers benachbart einer Aufnahmeanordnung (7) für das verseilte Element gehalten ist und dessen anderes Ende innerhalb des Umfangs des Flyers geführt ist, so daß es zu einer Planetenbewegung relativ zu dem Flyer angetrieben ist, wobei die Anordnung so getroffen ist, daß das verseilte Element innerhalb des Flyers (11) mittels der ersten und der zweiten Führungsanordnung (32, 36) zu der Aufnahmeanordnung (7) geführt werden kann, während es unter einem Winkel von 180° relativ zu der Achse des Flyers (11) geführt ist, dadurch gekennzeichnet, daß die erste Führungsanordnung (32) angeordnet ist, um ein verseiltes Element aufzunehmen, welches verseilt und angetrieben ist, um außerhalb des Flyers (11) zu rotieren, die erste Führungsanordnung (32) ein flexibles langgestrecktes Glied aufweist, welches sich von dem axialen Ende des Flyers zu dessen Umfang (20) erstreckt und in dem Umfang für eine Planetenbewegung relativ zu der Achse des Flyers geführt ist, und die erste Führungsanordnung (32) und der Flyer (11) angeordnet sind, um so mit relativ unterschiedlichen Drehzahlen angetrieben zu werden, daß dem verseilten Element beim Betrieb während seines Durchlaufens von der ersten Führungsanordnung (32) zu der zweiten Führungsanordnung (36) ein leichter Drall verliehen wird, um den Schlag des verseilten Elements zu straffen.
  3. Vorrichtung nach Anspruch 2, dadurch gekennzeichnet, daß eine oder beide der Führungsanordnungen (32, 36) ein über eine Universalgelenkanordnung angelenktes Führungsglied mit einer Mehrzahl von gelenkig verbundenen Abschnitten (48, 49) aufweist (aufweisen), die jeweils für eine Rotation um eine Achse montiert sind und einander gegenüberliegende Führungsrollen (50, 51) für den Eingriff mit dem verseilten Element aufweisen, um dessen Achse auf die Rotationsachse des entsprechenden Abschnitts der Führungsanordnung zu zentrieren.
  4. Vorrichtung nach Anspruch 3, dadurch gekennzeichnet, daß jeder Abschnitt (48, 49) zwei benachbarte Paare von Führungsrollen (50, 51) aufweist, deren Achsen in Ebenen senkrecht zu der Rotationsachse des Abschnitts liegen und um 90° relativ zueinander verlagert sind.
  5. Vorrichtung nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß eine Rotationsanordnung (1) außerhalb des Flyers (11) angeordnet ist, die eine Abzugsvorrichtung zum Abziehen eines rotierenden Drahtseils von einem Verseilkopf (?) aufweist, sowie die Aufnahmeanordnung (7) eine Aufnahmehaspel ist, auf welche das Drahtseil aufzuwickeln ist.
EP91305231A 1990-06-11 1991-06-11 Verbesserungen an Vorseilmaschinen Expired - Lifetime EP0461844B1 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GB9013006 1990-06-11
GB909013006A GB9013006D0 (en) 1990-06-11 1990-06-11 Improvements in and relating to stranding machines
GB909019746A GB9019746D0 (en) 1990-09-10 1990-09-10 Improvements in and relating to stranding machines
GB9019746 1990-09-10

Publications (3)

Publication Number Publication Date
EP0461844A2 EP0461844A2 (de) 1991-12-18
EP0461844A3 EP0461844A3 (en) 1992-07-15
EP0461844B1 true EP0461844B1 (de) 1996-12-11

Family

ID=26297188

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91305231A Expired - Lifetime EP0461844B1 (de) 1990-06-11 1991-06-11 Verbesserungen an Vorseilmaschinen

Country Status (5)

Country Link
EP (1) EP0461844B1 (de)
AT (1) ATE146237T1 (de)
DE (1) DE69123491T2 (de)
ES (1) ES2098324T3 (de)
IT (1) IT1261027B (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1258282B (it) * 1992-04-07 1996-02-22 Vitaliano Russo Cordatrice statica a rotore leggero
FR2703081B1 (fr) * 1993-03-22 1995-04-28 Rollin Pere Fils Ensemble rotatif d'entraînement d'un toron ou câble, destiné à une installation de câblage et/ou de rubannage en ligne ou de fabrication de cordage.
US5540041A (en) * 1994-09-13 1996-07-30 Southwire Company Method of and apparatus for stress relieving multistranded cable
EP1441063A1 (de) * 2003-01-24 2004-07-28 Officine Meccaniche di Lesmo S.p.A. Doppelschlagverseilmaschine

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2118967A1 (de) * 1971-04-20 1972-10-26 Kraft, Anton, 5960 Olpe Vielfachschlag , insbesondere Doppelschlag Verseilmaschine

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL29545C (de) * 1929-10-29
IT1134613B (it) * 1980-12-05 1986-08-13 Redaelli Tecna Spa Macchina perfezionata per la produzione di trefoli
DE3802631A1 (de) * 1988-01-29 1989-08-10 Sevastopol Priborostroit Inst Verfahren zur herstellung von metallischen verseilten erzeugnissen

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2118967A1 (de) * 1971-04-20 1972-10-26 Kraft, Anton, 5960 Olpe Vielfachschlag , insbesondere Doppelschlag Verseilmaschine

Also Published As

Publication number Publication date
ITMI911599A1 (it) 1992-12-11
DE69123491T2 (de) 1997-06-12
IT1261027B (it) 1996-05-08
EP0461844A3 (en) 1992-07-15
DE69123491D1 (de) 1997-01-23
ITMI911599A0 (it) 1991-06-11
ATE146237T1 (de) 1996-12-15
ES2098324T3 (es) 1997-05-01
EP0461844A2 (de) 1991-12-18

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